Light absorption filter, optical filter, manufacturing method for optical filter, organic electroluminescent display device, inorganic electroluminescent display device, and liquid crystal display device

Abstract

A light absorption filter that contains a resin; a dye having a main absorption wavelength band in a wavelength range of 400 to 700 nm, including at least one of a specific azo-based coloring agent represented by any of General Formulae (i) to (iv) or a specific indoaniline-based coloring agent represented by General Formula (v); and a compound that generates a radical upon ultraviolet irradiation. There is also an optical filter that uses the light absorption filter and a manufacturing method for the optical filter, as well as an organic electroluminescent display device, an inorganic electroluminescent display device, or a liquid crystal display device, which includes the optical filter.

What is claimed is: 
     
         1 . Alight absorption filter comprising:
 a resin;   a dye having a main absorption wavelength band in a wavelength range of 400 to 700 nm; and   a compound that generates a radical upon ultraviolet irradiation,   wherein the dye includes at least one of an azo-based coloring agent represented by any of General Formulae (i) to (iv) or an indoaniline-based coloring agent represented by General Formula (v),   
       
         
           
           
               
               
           
         
         in the formula, R 17  and R 18  each independently represent a hydrogen atom or a monovalent substituent, 
         R 19  represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, or a sulfamoyl group, and 
         Q represents a diazo component residue, 
         provided that R 17  to R 19  and Q do not have a squaraine structure, 
       
       
         
           
           
               
               
           
         
         in the formula, R 21  to R 24 , R 26 , and R 27  represent a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR 108 , —SR 109 , —NR 110 R 111 , —S(═O) 2 NR 112 R 113 , —C(═O)NR 114 R 115 , —NHC(═O)R 116 , —C(═O)OR 117 , —O(CH 2 CH 2 O) n R 118 , —O(CH 2 CH 2 S)R 119 , —S(CH 2 CH 2 O) n R 120 , —S(CH 2 CH 2 S) n R 121 , an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group, 
         R 108  to R 121  represent a hydrogen atom, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group, and 
         n is a positive integer, 
         here, the acyclic hydrocarbon group, the monocyclic hydrocarbon group, the fused polycyclic hydrocarbon group, or the heterocyclic group may have, as a substituent, one or two or more of a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR 108 , —SR 109 , —NR 110 R 111 , —S(═O) 2 NR 112 R 113 , —C(═O)NR 114 R 115 , —NHC(═O)R 116 , —C(═O)OR 117 , —O(CH 2 CH 2 O) n R 118 , —O(CH 2 CH 2 S) n R 119 , —S(CH 2 CH 2 O) n R 120 , —S(CH 2 CH 2 S) n R 121 , an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, and a heterocyclic group, 
       
       
         
           
           
               
               
           
         
         in the formula, R 31  represents a hydrogen atom, an alkyl group, an alkoxy group, a cyano group, a carbonyl group, an aromatic group, or a heterocyclic group, 
         R 32  represents a hydrogen atom, an alkyl group, an alkoxy group, a cyano group, a nitro group, a carbonyl group, an aromatic group, or a heterocyclic group, 
         R 34  and R 35  each independently represent a hydrogen atom, an alkyl group, or an aromatic group, and 
         R 37  represents a hydrogen atom, an alkyl group, an alkoxy group, a cyano group, a carbonyl group, an acylamino group, or an aromatic group, 
       
       
         
           
           
               
               
           
         
         in the formula, R 41  to R 44 , R 46 , and R 47  represent a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR 208 , —SR 209 , —NR 210 R 211 , —S(═O) 2 NR 212 R 213 , —C(═O)NR 214 R 215 , —NHC(═O)R 216 , —C(═O)OR 217 , —O(CH 2 CH 2 O) n R 218 , —O(CH 2 CH 2 S) n R 219 , —S(CH 2 CH 2 O) n R 220 , —S(CH 2 CH 2 S) n R 221 , an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group, 
         R 208  to R 221  represent a hydrogen atom, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group, and 
         n is a positive integer, 
         here, the acyclic hydrocarbon group, the monocyclic hydrocarbon group, the fused polycyclic hydrocarbon group, or the heterocyclic group may have, as a substituent, one or two or more of a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR 208 , —SR 209 , —NR 210 R 211 , —S(═O) 2 NR 212 R 213 , —C(═O)NR 214 R 215 , —NHC(═O)R 216 , —C(═O)OR 217 , —O(CH 2 CH 2 O) n R 218 , —O(CH 2 CH 2 S) n R 219 , —S(CH 2 CH 2 O) n R 220 , —S(CH 2 CH 2 S) n R 221 , an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, and a heterocyclic group, 
       
       
         
           
           
               
               
           
         
         in the formula, Q 1  represents an atomic group that contains at least one nitrogen atom and is necessary for forming a 5- to 7-membered nitrogen-containing heterocyclic ring together with carbon atoms to be bonded, 
         R 51  represents an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an aminocarbonyl group, or a sulfonyl group, 
         R 52  represents a hydrogen atom or an alkyl group, 
         R 53  to R 57  represent a hydrogen atom, an alkyl group, an alkoxy group, an acylamino group, an alkylsulfonylamino group, or a halogen atom, and 
         R 51  and R 59  represent a hydrogen atom, an alkyl group, or an aryl group. 
       
     
     
         2 . The light absorption filter according to  claim 1 ,
 wherein the compound that generates the radical upon the ultraviolet irradiation includes a combination of a compound A having an acid group and a compound B having a structure that is capable of forming a hydrogen bond with the acid group contained in the compound A.   
     
     
         3 . The light absorption filter according to  claim 1 ,
 wherein the dye having the main absorption wavelength band in the wavelength range of 400 to 700 nm includes a squaraine-based coloring agent represented by General Formula (1),   
       
         
           
           
               
               
           
         
         in the formula, A and B each independently represent an aryl group which may have a substituent, a heterocyclic group which may have a substituent, or —CH=G, 
         where G represents a heterocyclic group which may have a substituent. 
       
     
     
         4 . The light absorption filter according to  claim 2 ,
 wherein the compound A having the acid group is chemically bonded to a polymer that constitutes the resin.   
     
     
         5 . The light absorption filter according to  claim 1 ,
 wherein in the light absorption filter, the dye having the main absorption wavelength band in the wavelength range of 400 to 700 nm undergoes a chemical change and decolorizes upon ultraviolet irradiation.   
     
     
         6 . An optical filter that is obtained by subjecting the light absorption filter according to  claim 1  to mask exposure by ultraviolet irradiation. 
     
     
         7 . An organic electroluminescent display device, an inorganic electroluminescent display device, comprising:
 the optical filter according to claim  6 .   
     
     
         8 . An inorganic electroluminescent display device, or a liquid crystal display device, comprising:
 the optical filter according to claim  6 .   
     
     
         9 . A liquid crystal display device, comprising:
 the optical filter according to claim  6 .   
     
     
         10 . The organic electroluminescent display device according to  claim 7 ,
 wherein a layer that inhibits light absorption of the compound that generates the radical upon the ultraviolet irradiation is provided on a viewer side with respect to the optical filter.   
     
     
         11 . The inorganic electroluminescent display device according to  claim 8 ,
 wherein a layer that inhibits light absorption of the compound that generates the radical upon the ultraviolet irradiation is provided on a viewer side with respect to the optical filter.   
     
     
         12 . The liquid crystal display device according to  claim 9 ,
 wherein a layer that inhibits light absorption of the compound that generates the radical upon the ultraviolet irradiation is provided on a viewer side with respect to the optical filter.   
     
     
         13 . A manufacturing method for an optical filter comprising:
 irradiating the light absorption filter according to  claim 1  with an ultraviolet ray to carry out mask exposure.